Extend the flag parameter to support the context id (from the create
IOCTL) so that userspace can associate a context with the batchbuffer.
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gem_execbuffer.c | 26 ++++++++++++++++++++++----
include/drm/i915_drm.h | 2 +-
3 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f84d8f3..13e088f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1144,6 +1144,8 @@ int i915_gem_execbuffer(struct drm_device *dev, void
*data,
struct drm_file *file_priv);
int i915_gem_execbuffer2(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+int i915_gem_execbuffer3(struct drm_device *dev, void *data,
+ struct drm_file *file_priv);
int i915_gem_pin_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
int i915_gem_unpin_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 81687af..3bc5b14 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1050,7 +1050,8 @@ static int
i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file,
struct drm_i915_gem_execbuffer2 *args,
- struct drm_i915_gem_exec_object2 *exec)
+ struct drm_i915_gem_exec_object2 *exec,
+ u32 ctx_id)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct list_head objects;
@@ -1058,6 +1059,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
struct drm_i915_gem_object *batch_obj;
struct drm_clip_rect *cliprects = NULL;
struct intel_ring_buffer *ring;
+ struct drm_i915_gem_context *context = NULL;
u32 exec_start, exec_len;
u32 seqno;
u32 mask;
@@ -1270,6 +1272,14 @@ i915_gem_do_execbuffer(struct drm_device *dev, void
*data,
exec_start = batch_obj->gtt_offset + args->batch_start_offset;
exec_len = args->batch_len;
+
+ if (ring->last_context) {
+ context = i915_get_context(file, ctx_id);
+ ret = i915_switch_context(ring, context, &seqno);
+ if (ret)
+ goto err;
+ }
+
if (cliprects) {
for (i = 0; i < args->num_cliprects; i++) {
ret = i915_emit_box(dev, &cliprects[i],
@@ -1373,7 +1383,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
exec2.cliprects_ptr = args->cliprects_ptr;
exec2.flags = I915_EXEC_RENDER;
- ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list);
+ ret = i915_gem_do_execbuffer(dev, data, file, &exec2, exec2_list, 0);
if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */
for (i = 0; i < args->buffer_count; i++)
@@ -1397,11 +1407,12 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
}
int
-i915_gem_execbuffer2(struct drm_device *dev, void *data,
+i915_gem_do_execbuffer2(struct drm_device *dev, void *data,
struct drm_file *file)
{
struct drm_i915_gem_execbuffer2 *args = data;
struct drm_i915_gem_exec_object2 *exec2_list = NULL;
+ u32 ctx_id = (args->flags & I915_EXEC_CONTEXT_MASK) >> 9;
int ret;
if (args->buffer_count < 1) {
@@ -1430,7 +1441,7 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
return -EFAULT;
}
- ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list);
+ ret = i915_gem_do_execbuffer(dev, data, file, args, exec2_list, ctx_id);
if (!ret) {
/* Copy the new buffer offsets back to the user's exec list. */
ret = copy_to_user((struct drm_i915_relocation_entry __user *)
@@ -1448,3 +1459,10 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
drm_free_large(exec2_list);
return ret;
}
+
+int
+i915_gem_execbuffer2(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ return i915_gem_do_execbuffer2(dev, data, file);
+}
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index b8aa665..4ffe81e 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -248,7 +248,6 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_CONTEXT_CREATE DRM_IOWR (DRM_COMMAND_BASE +
DRM_I915_GEM_CONTEXT_CREATE, struct drm_i915_gem_context_create)
#define DRM_IOCTL_I915_GEM_CONTEXT_DESTROY DRM_IOW (DRM_COMMAND_BASE +
DRM_I915_GEM_CONTEXT_DESTROY, struct drm_i915_gem_context_destroy)
-
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
*/
@@ -666,6 +665,7 @@ struct drm_i915_gem_execbuffer2 {
/** Resets the SO write offset registers for transform feedback on gen7. */
#define I915_EXEC_GEN7_SOL_RESET (1<<8)
+#define I915_EXEC_CONTEXT_MASK (((1<<22)-1) << 9)
struct drm_i915_gem_pin {
/** Handle of the buffer to be pinned. */
--
1.7.9
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